The funeral for Sylvester Stallone's son Sage will be held in Los Angeles on Saturday. His family has arranged for a memorial service to take place at St. Martin of Tours Catholic Church in Brentwood.

In lieu of flowers, Sage's mother Sasha Czack has asked for donations to be made to the Autism Speaks charity, according to

On Friday, Sage, 36, was found dead at his home in the Hollywood Hills. Prescription pills were found at the scene.

An initial autopsy proved inconclusive, and toxicology results to determine the cause of death are not expected to be available for another six weeks.

Sage was reportedly set to marry his girlfriend in Las Vegas in the coming weeks.